Home / 225,254,475.12-310,851,178.20-122,238,027.12

Finding the Fourth Proportional to 225,254,475.12, 310,851,178.20 and 122,238,027.12

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Solution

The fourth proportional to 225,254,475.12, 310,851,178.20 and 122,238,027.12 is: 168,688,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,254,475.12 : 310,851,178.20 = 122,238,027.12 : x
  2. Step 2: Convert to fraction form
    225,254,475.12/310,851,178.20 = 122,238,027.12/x
  3. Step 3: Cross multiply
    225,254,475.12x = 310,851,178.20 × 122,238,027.12
  4. Step 4: Simplify right side
    225,254,475.12x = 37,997,834,751,095,552
  5. Step 5: Solve for x
    x = 37,997,834,751,095,552/225,254,475.12
  6. Step 6: Final answer
    x = 168,688,478.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.